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Re: Enhance seq-min and seq-max

From: Michael Heerdegen
Subject: Re: Enhance seq-min and seq-max
Date: Tue, 25 Jun 2019 23:22:02 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux)

Nicolas Petton <address@hidden> writes:

> > I wonder if I should rather give one general definition in the
> > function body and handle the four cases (KEY/PREDICATE given/not
> > given) in a compiler macro.  Then in compiled code there would be no
> > runtime tests and it would be optimized for the respective case.
> As you wish, but depending on what exactly you have in mind, it might be
> better not to do it, so that `seq-min' and `seq-max' can still easily be
> overwritten for custom seq types.

I guess what I planned is nonsense: If the method is chosen at run-time,
it doesn't make sense to optimize the method for lists with a compiler
macro.  It's not a critical issue anyway, so I'll just go with what I
have so far (and finish the documentation stuff).


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